微分的

The peak position and peak number of resolving factor can be achieved by quadratic differential.

分辨因子中的峰位置和峰数目由二次微分进行确定。

The difference between quasi Shannon interval wavelet method and quasi Shannon wavelet method in the numerical approximation was compared by a concrete example.

因此该方法在解决不规则区域的偏微分方程上有显著优点。

In accordance with field investigation to epidemic dynamics of wheat scab,the forecast method for differential equations of epidemic state has been given respectively.

对小麦赤霉病流行资料进行分析，给出了流行状态微分方程的预测方法。

With differential method and integral method, kinetic parameters of the transformer oil were obtained.

利用微分法和积分法分别计算比较变压器油样的动力学参数（活化能、反应级数和指前因子）。

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

The existence and uniqueness of solutions of third-order three-points boundary value problems with lower and upper solutions were studied.

研究了反序上下解条件下三阶微分方程三点边值问题解的存在性与唯一性。

And differential properties are the measure of surface information.

而曲面微分性质是重要的曲面信息度量指标。

And prove this class of differential operators with separated boundary conditions is proved to be self-adjoint.

证明具有分离边界条件的这类微分算子是自共轭算子。

Using 〓-theory in partial differential equation,I find out a sufficient condition on A,B,under which ican be extended to andreplaced by a self-adjoint operator.

利用偏微分方程中的〓理论，我对算子A和B找到了一个充分条件，在该条件下，i可以扩张成一个自共轭算子。

The InGaAs/GaAs/AlGaAs strained layer quantum well lasers were grown by molecular beam epitaxy. Ridge waveguide InGaAs/GaAs/AlGaAs strained layer quantum well lasers operating in the fundamental transverse mode up to 140 mW at a wavelength of 980 nm were fabricated.

利用分子束外延生长了InGaAs/GaAs/AlGaAs应变量子阱激光器材料并研制出基横模输出功率大于140 mW，激射波长为980 nm的脊形波导应变量子阱激光器，其微分量子效率为0.8 W/A，垂直和平行结平面方向远场发散角分别为28°和6.8°。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。